Outreach
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Outreach

Journal Publications

 

2020

  • Mertikas, S.; Partsinevelos, P.; Tripolitsiotis, A.; Kokolakis, C.; Petrakis, G.; Frantzis, X. Validation of Sentinel-3 OLCI Integrated Water Vapor Products Using Regional GNSS Measurements in Crete, Greece. Remote Sensing. 2020, 12, 2606, doi: 10.3390/rs12162606.

  • Mertikas, S.; Tripolitsiotis, A.; Donlon, C.; Mavrocordatos, C.; Féménias, P.; Borde, F.; Frantzis, X.; Kokolakis, C.; Guinle, T.; Vergos, G.; Tziavos, I.N.; Cullen, R. The ESA Permanent Facility for Altimetry Calibration: Monitoring Performance of Radar Altimeters for Sentinel-3A, Sentinel-3B and Jason-3 Using Transponder and Sea-Surface Calibrations with FRM Standards. Remote Sens. 2020, 12, 2642, doi: 10.3390/rs12162642.

  • Mertikas, S.; Donlon, C.; Matsakis, D.; Mavrocordatos, C.; Altamimi, Z.; Kokolakis, C.; Tripolitsiotis, A. (2020) Fiducial Reference Systems for Time and Coordinates in Satellite Altimeter. Advances in Space Research , doi: 10.1016/j.asr.2020.05.014.

2019

  • Mertikas, S.; Donlon, C.; Vuilleumier, P; Cullen, R.; Féménias, P.; Tripolitsiotis, A. An Action Plan towards Fiducial Reference Measurements for Satellite Altimetry. Remote Sensing, 11(17), 1993, doi: 10.3390/rs11171993

2018

  • Mertikas, S.; Donlon, C.; Féménias, P.; Mavrocordatos, C.; Galanakis, D.; Tripolitsiotis, A.; Frantzis, X.; Tziavos, I.N.; Vergos, G.; Andersen, O.B.; Guinle, T. Fifteen years of Cal/Val service to reference altimetry missions: Calibration of satellite altimetry at the Permanent Facilities in Gavdos and Crete, Greece. Remote Sensing, 10, 1557, doi: 10.3390/rs10101557
  • Mertikas, S.; Donlon, C.; Féménias, P.; Mavrocordatos, C.; Galanakis, D.; Tripolitsiotis, A.; Frantzis, X.; Kokolakis, C; Tziavos, I.N.; Vergos, G.; Guinle, T. Absolute Calibration of the European Sentinel-3A Surface Topography Mission over the Permanent Facility for Altimetry Calibration in west Crete, Greece. Remote Sensing, 10(11), 1808, doi: 10.3390/rs10111808.

 

Conference Proceedings (peer-reviewed)

 

  • Mertikas, S.; Donlon, C.; Féménias, P.; Cullen, R.; Galanakis, D.; A.; Frantzis, X., Tripolitsiotis, A. Fiducial Reference Measurements for Satellite Altimetry Calibration: The Constituents. In: Mertikas, S., Pail, R. (eds) Fiducial Reference Measurements for Altimeter, International Association of Geodesy Symposia, vol.  150, Springer, Cham, doi: 10.1007/1345_2019_56.
  • Mertikas, S.; Donlon, C.; Féménias, P.; Mavrocordatos, C.; Galanakis, D.; Guinle, T.; Boy, F.; Tripolitsiotis, A.; Frantzis, X.; Tziavos, I.; Vergos, G. Absolute calibration of the Sentinel-3 and Jason-3 altimeters with sea-surface and transponder techniques in West Crete, Greece. In: Mertikas, S., Pail, R. (eds) Fiducial Reference Measurements for Altimeter, International Association of Geodesy Symposia, vol. 150, Springer, Cham, doi: 10.1007/1345_2019_63.
  • Mertikas, S.; Donlon, C.; Cullen, R.; Tripolitsiotis, A. Scientific and Operational Roadmap for Fiducial Reference Measurements in Satellite Altimetry Calibration & Validation. In: Mertikas, S., Pail, R. (eds) Fiducial Reference Measurements for Altimeter, International Association of Geodesy Symposia, vol. 150, Springer, Cham, doi: 10.1007/1345_2019_61.

 

Presentations

2020

  • Mertikas, S.; Féménias, P.; Donlon, C.; Borde, F.; Guinle, T.; Tripolitsiotis, A.; Frantzis, X.; Kokolakis, C.; Martellucci, A.; Fionda, E.; Candeddu, M.; Lin, M.; Jia, Y. Transponder & sea-surface calibration of Sentinel-3A and Sentinel-3B in West Crete & Gavdos, attaining Fiducial Reference Measurements standards. In: Sixth Sentinel-3 Validation Team Meeting, 15-17 December 2020, (virtual). Abstract available online: url.

  • Garcia-Mondéjar, A.; de la Cruz, A.F.; Roca, M.; Perticaroli, S.; Mosca, A.; Lombardi, F.; Lacrouts, C.; Mertikas, S.; Tripolitsiotis, A.; Frantzis, X.; Borde, F.; Mavrocordatos, C.; LeGac, S.; Féménias, P.; Houpert, A. Sigma0 calibration with transponder. In: Sixth Sentinel-3 Validation Team Meeting, 15-17 December 2020, (virtual). Abstract available online: url.

  • Mertikas, S.; Donlon, C.; Tripolitsiotis, A.; Mavrocordatos, C.; Féménias, P.; Borde, F.; Frantzis, X.; Kokolakis, C.; Piretzidis, D.; Guinle, T.; Lin, M.; Jia, Y.; Vergos, G.; Cullen, R.; Tziavos, I. Current Cal/Val results on the performance of Jason-3, Sentinel-3 and HY-2B radar altimeters using transponder and sea-surface calibrations at the permanent facility for altimetry calibration in Gavdos/Crete. In: Ocean Surface Topography Science Team Meeting (virtual), 19-23 October 2020.  Available online: url. 

2019

  • Mertikas S., C. Donlon, P. Féménias, D. Galanakis, I.N. Tziavos, G. Vergos, T. Guile, P. Vuilleumier, M. Lin, G. Chen, X. Frantzis, A. Tripolitsiotis. Current Results from Multi-mission Calibrations at the Permanent Facility for Altimetry Calibration in west Crete, Greece attaining Fiducial Reference Measurement Standards. In: Ocean Surface Topography Science Team Meeting, 21-25 October 2019, Chicago, Illinois, USA. Available online: url.
  • Mertikas, S., Donlon, C., Matsakis, D., Mavrocordatos, C., Altamimi, Z., Kokolakis, C., Tripolitsiotis, A. Standardization for Time and Coordinates in Satellite Altimetry. In: Ocean Surface Topography Science Team Meeting, 21-25 October 2019, Chicago, Illinois, USA.
  • Mertikas, S.; Féménias, P.; Donlon, C.; Borde, F.; Galanakis, D.; Tziavos, I.N.; Vergos, G.; Frantzis, X.; Tripolitsiotis, A. Transponder and Sea-Surface Calibration of Sentinel-3A and Sentinel-3B altimeters with the Permanent Facility for Altimeter Calibration in west Crete, Greece. In: Fifth Sentinel-3 Validation Team Meeting, 7-9 May 2019, Frascati (Rome), Italy.
  • Mertikas, S.; Féménias, P.; Donlon, C.; Mavrocordatos, C.; Galanakis, D.; Tripolitsiotis, A. Transponder and Sea-Surface Calibration of Sentinel-3A &-3B during their tandem phase in west Crete, Greece. In: ESA Living Planet Symposium, 13-17 May 2019, Milan, Italy.
  • Mertikas, S.; Donlon, C.; Féménias, P.; Cullen, R.; Galanakis, D.; Tripolitsiotis, A. Uncertainty characterization of satellite altimetry calibration with Fiducial Reference Measurements Standards. In: ESA Living Planet Symposium, 13-17 May 2019, Milan, Italy.
  • Mertikas, S.; Donlon, C.; Jackson, C.; Féménias, P.; Loddo, C.N.; Scharroo, R.; Cullen, R. Preparatory Steps for the absolute altimeter calibration of the Sentinel-6/Jason-CS at the dedicated calibration facilities in Gavdos and Crete, Greece. In: ESA Living Planet Symposium, 13-17 May 2019, Milan, Italy.
  • Garcia-Mondejar, A.; Fornari, M.; Mertikas, S.; Bouffard, J.; Féménias, P.; Roca, M. CryoSat-2 range, datation and interferometer calibration with transponders. In: ESA Living Planet Symposium, 13-17 May 2019, Milan, Italy.
  • Garcia-Mondejar, A.; Mertikas, S.; Galanakis, D.; Labroue, S.; Bruniquel, J.; Qartly, G., Féménias, P.; Mavrocordatos, C.; Garcia, P.; Roca, M. Sentinel-3 Range and Datation Calibration with Crete Transponder. In: ESA Living Planet Symposium, 13-17 May 2019, Milan, Italy.

2018

  • Mertikas, S.; Donlon, C.; Femenias, P.; Mavrocordatos, C.; Galanakis, D.; Guinle, T.; Boy, F.; Tripolitsiotis, A.; Frantzis, X. Absolute calibration of the Sentinel-3 altimeter with sea-surface and transponder at FRM standards in West Crete, Greece. In: Fourth Sentinel-3 Validation Team Meeting, 13-15 March 2018, Chania, Crete, Greece. Available online: url.
  • Mertikas, S.; Donlon, C.; Femenias, P.; Mavrocordatos, C.; Galanakis, D.; Guinle, T.; Boy, F.; Tripolitsiotis, A.; Frantzis, X. Calibration of Satellite Altimetry at the Permanent Facilities in Gavdos and Crete, Greece. In: International Review Workshop on Satellite Altimetry Cal/Val Activities and Applications, 23-26 April 2018, Chania, Crete, Greece. Available online: url.
  • Mertikas, S.; Donlon, C.; Femenias, P.; Galanakis, D.;, A.; Frantzis, X. International Standardization for Satellite Altimetry Calibration: Lessons from the Past and Roadmap to the Future. In: 25Years of Progress in Radar Altimetry, 24-29 September 2018, Ponta Delgada, Azores, Portugal. Available online: url.
  • Mertikas, S.; Donlon, C.; Femenias, P.; Mavrocordatos, C.; Galanakis, D.; Tziavos, I.; Boy, F.; Vergos, G.; Andersen, O.; Frantzis, X.; Lin, M.; Tripolitsiotis, A.; The Permanent Facility for Satellite Altimetry Calibration in Gavdos and Crete, Greece: Fifteen years of Cal/Val Service. In: 25Years of Progress in Radar Altimetry, 24-29 September 2018, Ponta Delgada, Azores, Portugal.
  • Mertikas, S.; Donlon, C.; Femenias, P.; Galanakis, D.;, A.; Frantzis, X. Uncertainty Characterization with FRM Standards for Satellite Altimetry Calibration: Lessons from the Past and Roadmap to the Future. In: Ocean Surface Topography Science Team Meeting, 27-28 September 2018, Ponta Delgada, Azores, Portugal.
  • Mertikas, S.; Donlon, C.; Femenias, P.; Galanakis, D.;, A.; Frantzis, X. Transponder and Sea-Surface Calibration of Satellite Altimeters at the Permanent Facility for Altimeter Calibration in West Crete, Greece. In: Ocean Surface Topography Science Team Meeting, 27-28 September 2018, Ponta Delgada, Azores, Portugal. Available online: url
  • Watson, C.; Bonnefond, P.; Haines, B.; Mertikas, S. In Situ Calibration and Validation of Satellite Altimetry: A Review of 25 Years of Ongoing Monitoring. In: 25Years of Progress in Radar Altimetry, 24-29 September 2018, Ponta Delgada, Azores, Portugal

 

Videos & Animations

 

  • Monitoring Sea Level Change from a Mountain Top. Available online: url
  • Sentinel-3A/3B Tandem Orbit Cal/Val at PFAC: url
  • SUG1: Preparatory works for the establishment of a new Sentinel-3 sea-surface Cal/Val site in south Crete,Greece [210MB Zip] url 

 

 

Funded by the EU and ESA